Description:Product DescriptionNothing changes the way you see the world like High Definition², and no company does High Definition² like Opteka. In the professional setting, Opteka's glass optics define High Definition. Change the way you view the world. Enjoy outstanding detail, enjoy enhanced clarity, enjoy Opteka.The new Opteka High Definition² .20x Wide Angle Fisheye Converter Lens increases the versatility of your existing lens to provide breathtaking ultra wide angle views. And it's so easy to use! Great for every type of photographic situation!Converts a 18-55mm into a 3.6-11mm Circular LensOpteka lenses put more creative control where it belongs - in your hands.Included - .20x Fisheye Lens, Lens Adapter, 52mm Adapter, 55mm Adapter, 58mm Adapter, Lens Caps, Lens PouchAn essential tool for extreme sports and dramatic action shootersHigh-index / low-dispersion optical glass, Fully multi-coated, every elementDesigned to maximize day and night shots by providing maximum light and imageMade and designed in Japan, Brand new, Lifetime warranty